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Round|Lab Grown|IGI

1.16ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG487109923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487109923

Diamond specifications and retailer prices

From €591 EUR
$660 USD
As of October 30, 2026
Save €3,213 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,804 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 1.16ct lab-grown round diamond

This 1.16ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487109923 or 487109923. Listed at 13 retailers as of October 25, 2026, with prices from €591 to €3,804, a €3,213 spread on the same certified stone. MOH London lists it at €3,804. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.16
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487109923
Dimensions6.74 × 6.78 × 4.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.74 mm6.78 mm1.16 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487109923
Side View
Table 59.5%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €3,804 EUR|Low: €591 EUR|High: €3,849 EUR|Avg: €1,573 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 2€591 EUR
Retailer 9€966 EUR
Retailer 14€1,051 EUR
Retailer 13€1,081 EUR
Retailer 10€1,120 EUR
Retailer 12€1,120 EUR
Retailer 4€1,276 EUR
Retailer 7€1,297 EUR
Retailer 5€1,598 EUR
Retailer 11€1,784 EUR
Retailer 8€1,920 EUR
Retailer 3€2,099 EUR
Retailer 6€2,272 EUR
MOH London€3,804 EUR

35 data points across 14 retailers

13 retailers€591 EUR to €3,804 EUR

A
Cheapest Retailer
-
€591 EUR
$660 USD
B+
Retailer 2
-
€966 EUR
$1,079 USD
View
B+
Retailer 3
-
€1,051 EUR
$1,174 USD
View
B+
Retailer 4
-
€1,081 EUR
$1,208 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,120 EUR
$1,251 USD
View
Retailer 6
-
€1,120 EUR
$1,251 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,276 EUR
$1,425 USD
View
B+
Retailer 8
-
€1,297 EUR
£1,141 GBP
View
B
Retailer 9
-
€1,784 EUR
$1,993 USD
View
B
Retailer 10
-
€1,920 EUR
View
B
Retailer 11
-
€2,099 EUR
$2,345 USD
View
B
Retailer 12
-
€2,272 EUR
$2,538 USD
View
Most Expensive
B
MOH London
LG487109923 · Oct 25
€3,804 EUR
£3,346 GBP
View
12 more retailers have this diamond
Prices start from €591 EURSave up to €3,213 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.16ct Round
€591 EUR